Mazda CX-5 Service & Repair Manual: Throttle Body

Mazda CX-5 Service & Repair Manual / Engine / Control / Throttle Body

Purpose, Function

Opens/closes the throttle valve to adjust the amount of air supplied to the cylinder.
Opens/closes the throttle valve according to the control signal from the PCM.

Construction

The throttle body is installed to the intake manifold.
The throttle body consists of a throttle valve, throttle valve actuator, TP sensor, and return spring.
For the throttle position sensor, refer to CONTROL SYSTEM..

Operation

The throttle valve actuator opens/closes the throttle valve according to the control signal from the PCM. If there is a malfunction in the throttle valve actuator, the throttle valve is closed by the return spring in the throttle body.
For the drive-by-wire control, refer to CONTROL SYSTEM..

Fail-safe


DTC	Fail-safe
P2101:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2107:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2110:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2112:00	Stops the idle air control. Stops the drive-by-wire control and sets to a throttle valve opening angle necessary for minimum driveability.
P2119:00	Restricts the upper limit of the engine speed.

Throttle Body Inspection

Resistance Inspection 1. Disconnect the negative battery cable.. 2. Disconnect the throttle body connector. 3. Measure the resistance between throttle body terminals E and F. Throttle bo ...

Throttle Position (TP) Sensor Inspection

Voltage Inspection CAUTION: The inspection cannot be performed with this method correctly if there is a malfunction of the APP sensor or throttle valve actuator. Verify that no DTCs rel ...

Other materials:

Security Indicator Light
Purpose Notifies the driver that the immobilizer system is operating. Function If a malfunction is detected in the immobilizer system, the DTC can be verified by the flashing pattern of the security indicator light. Construction The security indicator light is bui ...

Manifold Absolute Pressure (Map) Sensor/Intake Air Temperature (Iat) Sensor No.2 Removal/Installation
NOTE: Because the IAT sensor No.2 is integrated in the MAP sensor, replacing the IAT sensor No.2 includes replacement of the MAP sensor/IAT sensor No.2. 1. Disconnect the negative battery cable.. 2. Disconnect the MAP sensor/IAT sensor No.2 connector. 3. Remove the MAP sensor/IA ...

Cruise Main Indicator Light (Amber)
Purpose/Function Illuminates while the cruise control system is in standby mode to inform the driver that the cruise control system is on standby. Construction Built into the instrument cluster. Operation Illuminates while the cruise control system is on sta ...